dev/mrsas/mrsas_cam.c

66     struct mrsas_mpt_cmd *cmd, union ccb *ccb);
68 mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
71 mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
74 mrsas_build_syspdio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
77 mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
83 void	mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd);
84 void	mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
85 void	mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
94 static void mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim);
376 	struct mrsas_mpt_cmd *cmd;
379 	cmd = (struct mrsas_mpt_cmd *)data;
380 	sc = cmd->sc;
382 	if (cmd->ccb_ptr == NULL) {
393 	callout_reset_sbt(&cmd->cm_callout, SBT_1S * 600, 0,
394 	    mrsas_scsiio_timeout, cmd, 0);
396 	callout_reset(&cmd->cm_callout, (600000 * hz) / 1000,
397 	    mrsas_scsiio_timeout, cmd);
418 	struct mrsas_mpt_cmd *cmd;
430 	cmd = mrsas_get_mpt_cmd(sc);
432 	if (!cmd) {
439 			cmd->flags |= MRSAS_DIR_IN;
441 			cmd->flags |= MRSAS_DIR_OUT;
443 		cmd->flags = MRSAS_DIR_NONE;	/* no data */
455 		mrsas_release_mpt_cmd(cmd);
462 		mrsas_release_mpt_cmd(cmd);
467 			mrsas_release_mpt_cmd(cmd);
471 		cmd->length = csio->dxfer_len;
472 		if (cmd->length)
473 			cmd->data = csio->data_ptr;
477 			mrsas_release_mpt_cmd(cmd);
481 		cmd->length = csio->dxfer_len;
482 		if (cmd->length)
483 			cmd->data = csio->data_ptr;
493 				mrsas_release_mpt_cmd(cmd);
497 			cmd->length = csio->dxfer_len;
498 			if (cmd->length)
499 				cmd->data = csio->data_ptr;
501 			mrsas_release_mpt_cmd(cmd);
506 		mrsas_release_mpt_cmd(cmd);
513 	cmd->ccb_ptr = ccb;
515 	req_desc = mrsas_get_request_desc(sc, (cmd->index) - 1);
521 	cmd->request_desc = req_desc;
524 		bcopy(csio->cdb_io.cdb_ptr, cmd->io_request->CDB.CDB32, csio->cdb_len);
526 		bcopy(csio->cdb_io.cdb_bytes, cmd->io_request->CDB.CDB32, csio->cdb_len);
534 		if (mrsas_build_ldio_rw(sc, cmd, ccb)) {
542 		if (mrsas_build_ldio_nonrw(sc, cmd, ccb)) {
553 			if (mrsas_build_syspdio(sc, cmd, ccb, sim, 0)) {
561 			if (mrsas_build_syspdio(sc, cmd, ccb, sim, 1)) {
571 	if (cmd->flags == MRSAS_DIR_IN)	/* from device */
572 		cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_READ;
573 	else if (cmd->flags == MRSAS_DIR_OUT)	/* to device */
574 		cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_WRITE;
576 	cmd->io_request->SGLFlags = MPI2_SGE_FLAGS_64_BIT_ADDRESSING;
577 	cmd->io_request->SGLOffset0 = offsetof(MRSAS_RAID_SCSI_IO_REQUEST, SGL) / 4;
578 	cmd->io_request->SenseBufferLowAddress = cmd->sense_phys_addr;
579 	cmd->io_request->SenseBufferLength = MRSAS_SCSI_SENSE_BUFFERSIZE;
581 	req_desc = cmd->request_desc;
582 	req_desc->SCSIIO.SMID = cmd->index;
588 	callout_reset_sbt(&cmd->cm_callout, SBT_1S * 600, 0,
589 	    mrsas_scsiio_timeout, cmd, 0);
591 	callout_reset(&cmd->cm_callout, (600000 * hz) / 1000,
592 	    mrsas_scsiio_timeout, cmd);
637  * mrsas_get_mpt_cmd:	Get a cmd from free command pool
646 	struct mrsas_mpt_cmd *cmd = NULL;
650 		cmd = TAILQ_FIRST(&sc->mrsas_mpt_cmd_list_head);
651 		TAILQ_REMOVE(&sc->mrsas_mpt_cmd_list_head, cmd, next);
656 	memset((uint8_t *)cmd->io_request, 0, MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE);
657 	cmd->data = NULL;
658 	cmd->length = 0;
659 	cmd->flags = 0;
660 	cmd->error_code = 0;
661 	cmd->load_balance = 0;
662 	cmd->ccb_ptr = NULL;
666 	return cmd;
670  * mrsas_release_mpt_cmd:	Return a cmd to free command pool
676 mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd)
678 	struct mrsas_softc *sc = cmd->sc;
681 	cmd->sync_cmd_idx = (u_int32_t)MRSAS_ULONG_MAX;
682 	TAILQ_INSERT_TAIL(&(sc->mrsas_mpt_cmd_list_head), cmd, next);
719 mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
729 	io_request = cmd->io_request;
737 	if (mrsas_setup_io(sc, cmd, ccb, device_id, io_request) != SUCCESS)
740 	io_request->DataLength = cmd->length;
742 	if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
743 		if (cmd->sge_count > sc->max_num_sge) {
745 			    "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
752 		io_request->RaidContext.numSGE = cmd->sge_count;
753 		io_request->RaidContext.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
772 mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
869 	cmd->request_desc->SCSIIO.MSIxIndex =
877 		cmd->request_desc->SCSIIO.RequestFlags =
887 				cmd->request_desc->SCSIIO.RequestFlags =
902 			cmd->load_balance = MRSAS_LOAD_BALANCE_FLAG;
903 			cmd->pd_r1_lb = io_info.pd_after_lb;
905 			cmd->load_balance = 0;
906 		cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle;
911 		cmd->request_desc->SCSIIO.RequestFlags =
921 				cmd->request_desc->SCSIIO.RequestFlags =
946 mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
953 	io_request = cmd->io_request;
959 	cmd->request_desc->SCSIIO.RequestFlags =
965 	io_request->DataLength = cmd->length;
967 	if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
968 		if (cmd->sge_count > sc->max_num_sge) {
970 			    "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
977 		io_request->RaidContext.numSGE = cmd->sge_count;
978 		io_request->RaidContext.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
996 mrsas_build_syspdio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
1007 	io_request = cmd->io_request;
1042 	cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
1043 	cmd->request_desc->SCSIIO.MSIxIndex =
1049 		cmd->request_desc->SCSIIO.RequestFlags =
1067 		cmd->request_desc->SCSIIO.RequestFlags =
1073 	io_request->DataLength = cmd->length;
1075 	if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
1076 		if (cmd->sge_count > sc->max_num_sge) {
1078 			    "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
1085 		io_request->RaidContext.numSGE = cmd->sge_count;
1086 		io_request->RaidContext.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
1101  * cmd->error_code will contain the  error code and a 1 is returned.
1105     struct mrsas_mpt_cmd *cmd, union ccb *ccb)
1110 	sim = xpt_path_sim(cmd->ccb_ptr->ccb_h.path);
1112 	if (cmd->data != NULL) {
1116 		retcode = bus_dmamap_load_ccb(sc->data_tag, cmd->data_dmamap, ccb,
1117 		    mrsas_data_load_cb, cmd, 0);
1119 		retcode = bus_dmamap_load(sc->data_tag, cmd->data_dmamap, cmd->data,
1120 		    cmd->length, mrsas_data_load_cb, cmd, BUS_DMA_NOWAIT);
1127 			mrsas_freeze_simq(cmd, sim);
1130 	if (cmd->error_code)
1143 mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
1145 	if (cmd->data != NULL) {
1146 		if (cmd->flags & MRSAS_DIR_IN)
1147 			bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTREAD);
1148 		if (cmd->flags & MRSAS_DIR_OUT)
1149 			bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTWRITE);
1151 		bus_dmamap_unload(sc->data_tag, cmd->data_dmamap);
1168 	struct mrsas_mpt_cmd *cmd = (struct mrsas_mpt_cmd *)arg;
1169 	struct mrsas_softc *sc = cmd->sc;
1175 		cmd->error_code = error;
1178 			cmd->ccb_ptr->ccb_h.status = CAM_REQ_TOO_BIG;
1182 	if (cmd->flags & MRSAS_DIR_IN)
1183 		bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap,
1185 	if (cmd->flags & MRSAS_DIR_OUT)
1186 		bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap,
1192 	io_request = cmd->io_request;
1232 					if ((cmd->io_request->IoFlags & MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
1234 						cmd->io_request->ChainOffset = sc->chain_offset_io_request;
1236 						cmd->io_request->ChainOffset = 0;
1238 					cmd->io_request->ChainOffset = sc->chain_offset_io_request;
1250 				sg_chain->Address = cmd->chain_frame_phys_addr;
1251 				sgl_ptr = (pMpi25IeeeSgeChain64_t)cmd->chain_frame;
1255 	cmd->sge_count = nseg;
1266 mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim)
1268 	union ccb *ccb = (union ccb *)(cmd->ccb_ptr);
1296 mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
1298 	callout_stop(&cmd->cm_callout);
1299 	mrsas_unmap_request(sc, cmd);
1301 	xpt_done(cmd->ccb_ptr);
1302 	cmd->ccb_ptr = NULL;
1304 	mrsas_release_mpt_cmd(cmd);